I think that the best phrase to fit into the blank is a "scientific theory".
A scientific theory is developed through experiments which use the scientific method, and a theory can be improved if additional data is available or if people provide suggestions which make the theory fit the data better.
Last option: Preserve an ecosystem
• The establishment of a bird reservation is a way to preserve an ecosystem because reservation provides suitable environment to organism. A healthy ecosystem means large number of biodiversity.
The type of direct that increases glycogen stored in muscle and endurance time at marathon speed most is high carbohydrate. Option C.
<h3>What is glycogen?</h3>
The term glycogen refers to the form in which carbohydrate is stored in the body. The energy that is stored as glycogen in the body can be slowly released when required by hydrolysis of the glycogen molecule.
The type of direct that increases glycogen stored in muscle and endurance time at marathon speed most is high carbohydrate. Option C.
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Missing parts;
Which type of direct increases glycogen stored in muscle and endurance time at marathon speed most? A. high fat B. mixed C. high carbohydrate D. fasting
On the earth surface
Explanation:
The long-wavelength radiation is created on the earth surface when electromagnetic radiation is re-emitted.
- The sun releases radiation in form of short-wave.
- They are usually more energetic and with short wavelength and a high frequency.
- When they interact with materials on the earth, they are radiated back as long-wavelength radiation that usually causes heat.
- Ultraviolet rays and other high energy waves are emitted from the sun because it is a very hot body.
- When these radiations enters the earth, they are re-radiated back as long waves with lower energy.
- Earth is cooler than the sun
- When some of the short waves for example, the ultraviolet rays gets to the surface, it is absorbed and re-radiated back.
- When the short waves are absorbed, they lose some of their their energy to the earth surface.
- The remainder is radiated back as less energetic long waves.
- The hotter a body is, the more energetic the radiation it releases.
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B. sulfur tetrafluoride + water → hydrogen fluoride + sulfur dioxide